If you are finding it difficult to juggle caring and work, you may be thinking of giving up your job. Before you do anything, do think about what you may be losing:
Talk to your employer before you make any decision. They may look more favourably on your situation than you anticipate and might be able to suggest ways of allowing you to continue working. Allowing you some flexibility could be far less time-consuming and more cost-effective than to recruit and train someone else.
Find out if it is possible to take a career break, early retirement or voluntary redundancy.